ʻO Casing ka paipu kila e kākoʻo ana i nā paia o nā luawai aila a me ke kinoea. Hoʻohana kēlā me kēia pūnāwai i kekahi mau papa o ka casing e pili ana i ka hohonu wili a me ka geology. Casing ma hope o ka luawai e hoʻohana i ka sima, casing a me tubing, drill paipu mea okoa, aole hiki ke hoohana hou ia, no ka hoʻokahi-manawa hoʻohana o nā mea. No laila, ʻoi aku ka nui o ka hoʻohana ʻana i ka casing ma mua o 70% o nā paipu puna wai a pau. Hiki ke hoʻokaʻawale ʻia ka pahu i ka paipu, ka ʻili o ka ʻili, ka ʻenehana a me ka ʻaila ʻaila e like me ka hoʻohana ʻana, a ʻo kā lākou ʻano i loko o ka luawai aila e hōʻike ʻia ma ke kiʻi.
Pipe: hoʻohana nui ʻia i ka ʻeli ʻana o ka moana a me ka wao nahele, e hoʻokaʻawale i ke kai a me ke one, e hōʻoia i ka hoʻoheheʻe ʻana, ʻo nā kikoʻī nui o kēia papa o ka casing: ∮762mm(30in) ×25.4mm, ∮762mm(30in) ×19.06mm.
ʻO ka pahu o ka ʻili: hoʻohana nui ʻia no ka wili mua ʻana, ʻo ka ʻeli ʻana i ka lepo palupalu i ka moena moe, i mea e hoʻopaʻa ai i kēia ʻāpana o ka ʻāina me ka hāʻule ʻole, pono e hoʻohana i ka casing ili no ka hoʻopaʻa ʻana. Nā kikoʻī koʻikoʻi o ka casing ili: 508mm(20in), 406.4mm(16in), 339.73mm(13-3/8in), 273.05mm(10-3/4in), 244.48mm(9-5/8in), etc. ʻO ka hohonu o ka paipu e pili ana i ka hohonu o ka hana palupalu, ʻo ia ka 80 ~ 1500m. ʻAʻole nui kona kaomi o waho a me ka puʻe o loko, e hoʻohana maʻamau i ka pae kila K55 a i ʻole N80 kila kila.
ʻO ka pahu ʻenehana: hoʻohana ʻia i ke kaʻina hana wili o ka hoʻokumu paʻakikī, i ka wā e hālāwai ai me ka papa hāʻule, ka ʻaila ʻaila, ka papa kinoea, ka papa wai, ka papa nalowale, ka paʻakai paʻakai a me nā ʻāpana paʻakikī ʻē aʻe, pono e hoʻopaʻa ʻia, inā ʻaʻole hiki i ka wili. aole e hookoia. He hohonu a paʻakikī kekahi Wells, a ʻo ka hohonu o ka pūnāwai he mau kaukani mika, pono kēia pūnāwai hohonu i kekahi mau papa o ka casing ʻenehana, ʻoi aku ka kiʻekiʻe o kona mau pono mechanical a me ka hoʻopaʻa ʻana i nā koi, ʻoi aku ka kiʻekiʻe o ka hoʻohana ʻana i ke kila kila, ma kahi o K55, ʻoi aku ka papa kila N80 a me P110, hoʻohana pū kekahi mau Wells hohonu i ka Q125 a i ʻole ka pae kila API ʻole e like me V150. ʻO nā kikoʻī nui o ka pahu ʻenehana: 339.73mm (13-3 / 8in), 273.05mm (10-3 / 4in), 244.48mm (9-5 / 8in), 219.08mm (8-5 / 8in), 193.68 mm(7-5/8in), 177.8mm(7in), etc.
ʻO ka pahu ʻaila: Ke hoʻoheheʻe ʻia i loko o ka papa kuhikuhi (ka ʻaila a me ke kinoea e lawe ana i ka papa), pono e hoʻopaʻa i ka ʻaila a me ke kinoea a me ka hoʻokumu ʻana o luna me ka pahu aila, a aia ka paipu aila i loko o ka pahu aila. I nā ʻano casing casing a pau, ʻo ka hohonu o ka wili ʻana ka hohonu loa, a ʻo kona ʻano mechanical a me nā koi hana hoʻopaʻa ʻana ʻo ia ka mea kiʻekiʻe loa. ʻO nā māka kila he K55, N80, P110, Q125, V150 a pēlā aku. ʻO nā kikoʻī nui o ka casing reservoir: 177.8mm (7in), 168.28mm (6-5 / 8in), 139.7mm (5-1 / 2in), 127mm (5in), 114.3mm (4-1 / 2in), etc. .
Ka manawa hoʻouna: Oct-13-2023
Keena 703 Hale B, Greenland kikowaena, Hi-tech development zone Xiʻan, Kina
86-13609153141
